[wp-trac] [WordPress Trac] #50913: PHP 8.0: various compatibility fixes

[WordPress Trac]

#50913: PHP 8.0: various compatibility fixes
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 Reporter:  jrf             |       Owner:  SergeyBiryukov
     Type:  task (blessed)  |      Status:  reviewing
 Priority:  normal          |   Milestone:  5.6
Component:  General         |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  php8 has-patch  |     Focuses:  coding-standards
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Comment (by jrf):

 @SergeyBiryukov [48961] should be considered a BC-break and will need a
 dev-note. Chances are there will be a plugin/theme out there which is
 relying on the reference for non-object passed parameters. While that will
 realistically only come into play if the variable they passed to
 `get_comment()` would be regarded as "empty", the fact that the variable
 will now no longer automatically be filled is a BC-break.

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Ticket URL: <https://core.trac.wordpress.org/ticket/50913#comment:13>
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